20503008

素因数分解:

$2^5\times 3^2\times {\mathrm{71191}}^1$

素因数の和:71207

約数の個数: 36

約数和(自身を含む): 58306248

約数和(自身を除く): 37803240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 71191, 142382, 213573, 284764, 427146, 569528, 640719, 854292, 1139056, 1281438, 1708584, 2278112, 2562876, 3417168, 5125752, 6834336, 10251504, 20503008]

約数ペア:

[(1, 20503008), (2, 10251504), (3, 6834336), (4, 5125752), (6, 3417168), (8, 2562876), (9, 2278112), (12, 1708584), (16, 1281438), (18, 1139056), (24, 854292), (32, 640719), (36, 569528), (48, 427146), (72, 284764), (96, 213573), (144, 142382), (288, 71191)]